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0 • <br /> TABLE 1 <br /> WELL CONCENTRATIONS <br /> Former Shell Service Station _ <br /> 1267 Country Club <br /> Stockton,CA <br /> WIC# 204-7524-0204 <br /> Measured Corrected SP TPPH TEPH B T E X MTBE Methanol Comments <br /> Sample GW Depth <br /> Depth ft ftGW Eley ft ft (u ) (u L) u L u L {u L) (� L u L) {u <br /> S-1 Top of Casing Elevation ft520 <br /> 26-Feb-98 1329 -809 000 1400 1200 45 45 7=2 150 <10 NA Oqgwate Compounds by EPA 8260 ND except DIPE 49 22b <br /> 06-May-981 1159 -639 000 3800 1300 110 11 260 j 300 <50 NA <br /> 12-Aug-98 1 1267 -747 000 4000 1600 110 15 270 120 240 8300 Oxygenate Compounds by EPA 8260 ND except DIPE 38ppb_ <br /> 5-1 (DUP) 1 <br /> 12-Aug-98 NA NA NA 5000 1000 110 19 290 120 250 9600 Oxygenate Compounds by EPA 8260 ND except DIPE 95 ppb <br /> S-2 Top of Casin Elevation ft 1478 <br /> 26-Feb-98 1228 -750 000 230001 7800 190 <20 670 1700 120 NA Oxygenate Compounds by EPA 8260 ND <br /> 06-May-98 1094 -616 000 29000 7400 240 <50 1200 2300 <250 NA Oxygenate Compounds by 8260 ND <br /> 12-Aug-98 1212 -734 000 160001 6900 130 66 670 1000 180 <1000 Oxygenate Compounds by EPA 8260 ND <br /> S-2 DUP <br /> 26-Feb-98 NA NA I NA 1 220001 6400 1 210 1 <20 1 690 1700 130 NA Oxygenate Compounds by EPA 8260 ND <br /> S-3 Top of Ca in Elevation ft 531 <br /> 26-Feb-98 1325 -794 000 530 530 53 52 44 34 <2 5 NA Oxygenate Compounds b EPA 8260 ND except DIPE 200ppb <br /> 06-May-98 1158 -627 000 130 370 12 <050 07 1 0 <2 5 NA <br /> 12-Aug-98 1273 -742 000 460 390 28 <0 50 <050 13 410 <1000 OUgenate Compounds b EPA 8260 ND except MTBE 200 ppb <br /> S-3(DUP) E <br /> 06-May-98 NA NA NA 120 230 12 1 <0 50 055 083 <25 NA <br /> i <br /> S-4 Top of Casing Elevation ft1530 <br /> 26-Feb-9$ 12 57 -727 000 99 1 130 1 3 1 064 17 63 <2 5 NA Oxygenate Compounds by EPA 8260 ND <br /> 2400943 I <br />